[Developers] Dynamic allocation of stack memory

[Tracy Stark]

Kristofer,

In which version is this implemented?

Tracy


On 7/17/06 4:31 PM, "Kristofer Tingdahl" <kristofer.tingdahl at dgb-group.com>
wrote:

> Hi all,
> 
> some compilers complain when you allocate memory dynamically on the
> stack, i.e.
> 
> void myfunc(int size)
> {
>     int myvariable[size];
>     //Do something with my variable
> }
> 
> The in order to avoid this error, one can allocate memory in the heap:
> 
> void myfunc(int size)
> {
>     ArrPtrMan<int> myvariable = new int[size];
>     //Do something with my variable
> }
> 
> But this can be quite costly and lead to memory fragmentation. To solve
> this, I have added a macro in commondefs.h that will allocate the
> memory, on the stack for all platforms supporting that, and in the heap
> for all other platforms.
> 
> The macro is used as follows:
> 
> void myfunc(int size)
> {
>     mDynamicSizeArray( int, myvar, size );
> }
> 
> 
> Regards,
> 
> Kristofer
>